Artist William Amor had a very specific skill. He makes incredible fake flowers from thin layers of plastic, forming surprisingly convincing petals from the translucent bags he collects for his art.
Amor is based in France, and has a pretty big following. He offers workshop options, where he shows people how to design their own flowers based on his techniques. His project is called Les Creations Messageres, which when translated literally into English is The Messaging Creations, but means more "creations with a message." On his site, Amor writes that his work is intended to draw attention to waste and plastic bag pollution.